Fresh 5r110 With A Confusing Problem - Ford Powerstroke Diesel Forum
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Old 03-24-2014, 03:42 PM
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Fresh 5r110 With A Confusing Problem

Hi all - I have a quick question about my transmission that I'm hoping can be answered easily.
So, here's the story: I have spent the last couple weeks removing, rebuilding and re-installing my 5R110. Just got every thing tightened up last night, and drove it about 30 miles today but on my way home a CEL appeared and the tow/haul light started flashing. I have a code reader, which told me it's picking up a P0741 "Torque Converter Clutch Circuit Performance or Stuck Off" code. I did some research online about it and many are saying that this code appears after having severe torque converter issues or a bad TCC solenoid.

Rebuild specs:
- New pump
- New Red Eagle Alto clutch plates and steels
- Upgraded low/reverse snap ring
- New pistons
- ALL new valve body solenoids
- New Billet triple disk torque converter
- Thoroughly cleaned/polished/flushed
- Filled with Mercon SP

With that said, the possibility of a bad torque converter or faulty TCC solenoid is impossible. Ford's description of the P0741 code is "The PCM sensed an excessive amount of torque converter slippage during normal driving operation".

Any ideas? Suggestions?
Thanks guys

Last edited by Kyle1228; 05-29-2014 at 09:31 PM.
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Old 05-29-2014, 09:38 PM
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BUMP

Just got around to doing the 1,000 mile flush (we don't drive this truck everyday) and was hoping to find a disconnected or broken wire at the TCC solenoid but there was nothing visible when I popped the pan off. I then removed the whole wiring harness and TCC solenoid to test the resistance and to make sure the TCC solenoid was functioning properly when 12v were applied, both of which checked out. So now I have no clue where to go except to bring up the possibility that Billet sent me a dud torque converter.
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